Duke 707PR, Operator'S Manual, Page: 45 / 62

DUKE Shake Freezer Model 707PR
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184600
37
PROBLEM PROBABLE CAUSE REMEDY
12 Troubleshooting Tables
— continued
1. Freezer unplugged. 1. Plug in freezer.
2. Fuse or breaker blown at main
disconnect. 2. Make sure your freezer is connected to a
separate circuit independent from any
other electrical equipment. Have
technician check fuse or breaker size and
check for low voltage; if not within 10% of
nameplate rating call power company.
3. Beater motor out on overload. 3. Press overload reset button. Check
product temperature. (Note: cabinet will
continue to cool.)
4. Off on high pressure cut-out or low
pressure cut-out control. 4. Contact your local service company.
5. Component failure. 5. Contact your local service company.
6. Faulty selector switch. 6. Contact your local service company.
Unit does not
operate.
7. Disconnected or broken wire in electrical
circuit. 7. Contact your local service company.
1. Damaged beater shaft seal or installed
improperly. 1. Replace cup seal or o-ring inside washer.
Install properly.
2. Beater shaft pitted or damaged where
o-ring rides. 2. Replace beater shaft.
Leakage of mix
or water from
drain tube to
drip tray.
3. Beater shaft end play not set properly. 3. Contact your local service company.
1. Faulty head o-ring. 1. Replace o-ring. Mix leaking at
dispensing
head.
2. Head not properly installed. 2. Install head properly. Replace o-ring if
pinched.
1. Blades installed upside down. 1. Install properly – flat side to cylinder wall.
2. Dirty or blocked condenser, restricted air
flow. 2. Unblock condenser or have cleaned by
your local service company.
3. Component failure. 3. Contact your local service company.
Dispensed
product too
soft. (Product
temperature
above 28°F
[-2°C] )
4. Leak in refrigeration system resulting in
little or no refrigeration. 4. Contact your local service company.